參數(shù)資料
型號(hào)： SAL-XC866L-4FRA
廠(chǎng)商： INFINEON TECHNOLOGIES AG
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 75 MHz, MICROCONTROLLER, PDSO38
封裝： GREEN, PLASTIC, TSSOP-38
文件頁(yè)數(shù)： 68/113頁(yè)
文件大?。?/td> 2289K
代理商： SAL-XC866L-4FRA
SAL-XC866
Functional Description
PRELIMINARY
Data Sheet
54
V1.0, 2011-02
3.7
Reset Control
The SAL-XC866 has five types of reset: power-on reset, hardware reset, watchdog timer
reset, power-down wake-up reset, and brownout reset.
When the SAL-XC866 is first powered up, the status of certain pins (see Table 18) must
be defined to ensure proper start operation of the device. At the end of a reset sequence,
the sampled values are latched to select the desired boot option, which cannot be
modified until the next power-on reset or hardware reset. This guarantees stable
conditions during the normal operation of the device.
In order to power up the system properly, the external reset pin RESET must be asserted
until VDDC reaches 0.9*VDDC. The delay of external reset can be realized by an external
capacitor at RESET pin. This capacitor value must be selected so that VRESET reaches
0.4 V, but not before VDDC reaches 0.9* VDDC.
A typical application example is shown in Figure 20. VDDP capacitor value is 300 nF.
VDDC capacitor value is 220 nF. The capacitor connected to RESET pin is 100 nF.
Typically, the time taken for VDDC to reach 0.9*VDDC is less than 50 μs once VDDP
reaches 2.3V. Hence, based on the condition that 10% to 90% VDDP (slew rate) is less
than 500
μs, the RESET pin should be held low for 500 μs typically. See Figure 21.
Figure 20
Reset Circuitry
VSSP
VDDP
VDDC
VSSC
3.3/5V
RESET
EVR
e.g. 300nF
220nF
typ.
100nF
XC866
30k
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAL-XC886-8FFA 5V AC 功能描述:8位微控制器 -MCU 8-Bit Single Chip Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
SAL-XC886CLM 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit Single Chip Microcontroller
SAL-XC886CLM-8FFA 5V AC 功能描述:8位微控制器 -MCU 8-Bit Single Chip Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
SAL-XC886CM-8FFA 5V AC 功能描述:8位微控制器 -MCU 8-Bit Single Chip Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
SAL-XC886LM-8FFA 5V AC 功能描述:8位微控制器 -MCU 8-Bit Single Chip Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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